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在用拉普拉斯变换测量交流阻抗的技术中,提出了用一次函数作为瞬态曲线在每个取样间隔内的近似表达式,导出了数值积分的公式,用各种等效电路验证了一次函数近似表达式的精确性。用 BASIC 语言编写了计算程序。
In the technique of measuring AC impedance with Laplace transform, a linear function is used as an approximate expression of the transient curve in each sampling interval. The formula of numerical integration is derived and validated by various equivalent circuits Accuracy of function approximation expression. Compiled in BASIC language calculation procedures.